Sofa



FIG. 1 is a front perspective view of the said sofa embodying my design in the form of a sofa, the rear of the sofa being conventionally flat and unornamented;

FIG. 2 is a frontal view of the sofa of FIG. 1; and

FIG. 3 is a side elevational view of one of the two identical ends of the sofa of FIGS. 1 and 2; 

The ornamental design for a sofa, as shown and described. 